phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('6f162d25f689fd2a7640a3f8d766349d', -1, 1560830280, 1560830280, '22e57e1d', 7, 0, 0)

Line : 189
File : sessions.php